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61 lines
1.3 KiB
C
61 lines
1.3 KiB
C
/*
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write.c -- Routines to write out the eventual object module for the
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Slinky linker
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Chip Morningstar -- Lucasfilm Ltd.
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19-March-1985
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*/
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#include "slinkyTypes.h"
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#include "slinkyGlobals.h"
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#define writeWord(aWord) putc(aWord & 0xFF, loadFileOutput);\
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putc((aWord >> 8) & 0xFF, loadFileOutput)
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#define writeByte(aByte) putc(aByte & 0xFF, loadFileOutput)
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void
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writeEntryPoint()
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{
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writeWord(entryPointAddress);
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writeWord(entryPointAddress);
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writeByte(0);
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}
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void
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writeCodeSegment(codeSegment)
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codeSegmentHeaderType *codeSegment;
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{
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int length;
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int i;
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writeWord(codeSegment->segmentStartAddress);
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writeWord(codeSegment->segmentEndAddress);
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length = codeSegment->segmentEndAddress - codeSegment->
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segmentStartAddress + 1;
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for (i=0; i<length; i++)
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writeByte(codeSegment->segmentCodeBuffer[i]);
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}
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void
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writem()
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{
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int regionNumber;
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codeSegmentHeaderType *lastSegment;
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segmentListType *segment;
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writeWord(0xFFFF);
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if (haveEntryPoint)
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writeEntryPoint();
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lastSegment = NULL;
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for (regionNumber = 0; regionNumber < CODE_REGIONS_IN_ADDRESS_SPACE;
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regionNumber++) {
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for (segment = generatedLoadImage[regionNumber]; segment !=
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NULL; segment = segment->nextSegment) {
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if (segment->thisSegment != lastSegment)
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writeCodeSegment(lastSegment = segment->
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thisSegment);
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}
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}
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}
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